18961796

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{15749}}^1$

素因数の和:15803

約数の個数: 24

約数和(自身を含む): 38808000

約数和(自身を除く): 19846204

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 15749, 31498, 62996, 110243, 220486, 440972, 677207, 1354414, 2708828, 4740449, 9480898, 18961796]

約数ペア:

[(1, 18961796), (2, 9480898), (4, 4740449), (7, 2708828), (14, 1354414), (28, 677207), (43, 440972), (86, 220486), (172, 110243), (301, 62996), (602, 31498), (1204, 15749)]